ThreatFox IOC Database

You are browsing the Indicator Of Compromise (IOC) database of ThreatFox. If you would like to contribute IOCs to the corpuse, you can do so through either the web form or the API.

340

IOCs shared (past 24 hours)

ClearFake

Most seen malware family (past 24 hours)

1'687'325

IOCs in corpus

Using the form below, you can search for malware samples by a hash (MD5, SHA256, SHA1), imphash, tlsh hash, ClamAV signature, tag or malware family.

Browse Database

Search syntax is as follow: keyword:search_term

Following is a list of accepted keywords along with an example search_term

ioc:ms-debug-services.com ( run)
malware:CobaltStrike ( run)
tag:TA505 ( run)
threat_type:cc_skimming ( run)
uuid:87f310f3-540b-11eb-922c-42010aa4000a ( run)

Date (UTC)	IOC	Malware	Tags	Reporter
2026-03-27 21:07	https://check.first-node.rocks/api/script.js?t=bu_0f9a746f42b7be2fc27c12dfc363	Unknown malware	Fake Update	HuntYethHounds
2026-03-27 21:06	https://check.first-node.rocks/api/config/bu_0f9a746f42b7be2fc27c12dfc363	Unknown malware	Fake Update	HuntYethHounds
2026-03-27 21:06	https://check.first-node.rocks	Unknown malware	Fake Update	HuntYethHounds
2026-03-27 21:05	check.first-node.rocks	Unknown malware	Fake Update	HuntYethHounds